<form action="<?php echo url_for('test/prueba_disponiblidad') ?>" method="post">
    <table>
      <tr>
            <td>Email</td>
            <td><input type="text" id="email" name="email"></td>
        </tr>
        <tr>
            <td colspan="2" align="center"><input  type="submit" value="enviar"></td>
        </tr>
    </table>
</form>
